420312046 has 64 divisors (see below), whose sum is σ = 837817344. Its totient is φ = 153100800.

The previous prime is 420312031. The next prime is 420312071. The reversal of 420312046 is 640213024.

It is a happy number.

It is a super-2 number, since 2×420312046² = 353324432025412232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473415 + ... + 474301.

It is an arithmetic number, because the mean of its divisors is an integer number (13090896).

Almost surely, 2^420312046 is an apocalyptic number.

420312046 is a deficient number, since it is larger than the sum of its proper divisors (417505298).

420312046 is a wasteful number, since it uses less digits than its factorization.

420312046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 420312046 is about 20501.5132612205. The cubic root of 420312046 is about 749.0726588942.

The spelling of 420312046 in words is "four hundred twenty million, three hundred twelve thousand, forty-six".